#!/bin/bash
# - test

shopt -s nullglob

. $LKP_SRC/lib/fs_ext.sh
. $LKP_SRC/lib/debug.sh
. $LKP_SRC/lib/reproduce-log.sh
. $LKP_SRC/lib/upload.sh
. $LKP_SRC/lib/job.sh
load_job_vars hdd_partitions

## test on a single node currently.

OCFS2TEST_HOME="/home/ocfs2test"

check_add_user()
{
	[[ "x$1" != "x" ]] || return

	grep -q "$1" /etc/passwd && return

	useradd -m -d "/home/$1" -s /bin/bash "$1" || die "create user $1 failed."
}

setup_test_env()
{
	# "ocfs2test" user is required in ocfs2 test, thus check if such user
	# has already been added. If not, add "ocfs2test" user.
	check_add_user "ocfs2test"

	[[ -d $BENCHMARK_ROOT/ocfs2test/ocfs2 ]] || die "can not find ocfs2 dir"

	cp -r $BENCHMARK_ROOT/ocfs2test/ocfs2 $OCFS2TEST_HOME

	# the -k parameter is required in ocfs2test,
	# but only testcase buildkernel needs linux-kernel.tar.gz
	# since we have kernel build already, so ignore buildkernel testcase,
	# and fake an empty linux-kernel.tar.gz for other testcases can be running.
	mkdir -p linux-kernel
	tar -zcvf $OCFS2TEST_HOME/linux-kernel.tar.gz linux-kernel

	[[ -f $BENCHMARK_ROOT/ocfs2test/reflink ]] || die "can not find reflink file"

	ln -sf $BENCHMARK_ROOT/ocfs2test/reflink /usr/local/bin/reflink

	timing=$(ls $BENCHMARK_ROOT/ocfs2test/timing-*.tar.gz)
	[[ -f $timing ]] || die "can not find timing*.tar.gz file"

	pip install $timing

	# add /sbin to PATH for some ocfs2 command.
	echo "PATH=$PATH:/sbin" >> $OCFS2TEST_HOME/.bashrc
	su - ocfs2test -c "source .bashrc"

	# add "ocfs2test" user into sudo list
	echo "ocfs2test ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers

	# due to the type of disk is not limited.
	# here we have to consider getting SSD or HDD partitions.
	# get SSD partitions firstly, if not get, and then get the HDD partitions.
	# if both SSD and HDD partitions are not exsit, exit error.
	if [[ -n "$ssd_partitions" ]]; then
		partition=${ssd_partitions%% *}
	else
		[[ -n "$hdd_partitions" ]] || die "SSD and HDD partitions are not exist."
		partition=${hdd_partitions%% *}
	fi

	partition=$(realpath $partition | head -n 1)
	chmod 755 $partition

	[[ -d /mnt/ocfs2 ]] || mkdir -p /mnt/ocfs2

	umount /mnt/ocfs2 2>/dev/null

	return 0
}

single_node_test()
{
	local test_dir="$LKP_SRC/pkg/ocfs2test-addon/tests"
	while read -r test_name
	do
		su - ocfs2test -c "$OCFS2TEST_HOME/ocfs2/bin/single_run-WIP.sh -k $OCFS2TEST_HOME/linux-kernel.tar.gz \
		  -m /mnt/ocfs2 -l $OCFS2TEST_HOME/ocfs2log -t $test_name -d $partition"
	done < $test_dir/$test

	find $OCFS2TEST_HOME/ocfs2log -name single_run.log -type f | xargs cat
}

setup_test_env
start_o2cb || die "add single cluster to /etc/ocfs2/cluster.conf failed."
single_node_test
